will he challenge hillary clinton if she runs. he is preparing the way in case she doesn't at which point he may very well be the frontrunner, or, if she does run he has a decision to make, does he think he can overcome her substantial edge? look, four years is a long-term. who knows. >>neil: she was a little over four years ago the frontrunner who spike was crazy to challenge and he could figure, biden, what the heck. >> at his age, he is 70 now so he will will be almost 74 so this is his last chance. of course he is preparing to run if he can. >>neil: do you also, looking at this, and joining the obamas and larry sabato as they finish up the front of their home at pennsylvania avenue. this used to be a public thunderstorm fair -- public thoroughfare shortly after 9/11 and they shut it down. it is a private walkway. pedestrianses can walk it. over the last 24 hours it has not even been accessible to human beings as they locked it down. this president wants to make a mark, larry, and the argument is that he has a fight cut out. if